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An expression is data that has a certain structure. For example, credit card numbers typically have 16 digits and appear in the format "nnnn-nnnn-nnnn-nnnn", making them suitable for expression-based detections.
Administrators can use predefined and customized expressions.
The following table outlines the actions available on the Expressions tab.
Action
Description
Add a customized expression
Click Add and follow the instructions to add a customized expression.
For more information, see Adding a custom expression.
Manage expressions
  • Click edit_icon=GUID-1F1D1164-5310-4D6D-ACD0-6049C86960AF.png to change the settings of a customized expression.
  • Click Custom_Category_Detail=4fdb9dfd-9bb3-422a-a1ff-971fade887f7.jpg to view the settings of a predefined expression.
  • Click duplicate=e79af1b6-17af-40ad-b942-53ffb9e796d2.jpg to duplicate an expression. This provides a convenient way of adding a new customized expression with settings similar to an existing expression.
  • Click trash_icon=GUID-47cf6867-6315-438e-8670-86ff36f22a28.png to delete a customized expression from Trend Vision One.
    To delete more than one customized expression, select the expressions and click Delete in the upper left.
    Note
    Note
    Only the customized expression that is not in use by any DLP template can be deleted.
Export expressions
Click Export All to export all predefined and customized expressions to a XML file to your local machine.
Import customized expressions
Click Import to add customized expressions to Trend Vision One if you have a properly-formatted XML file containing the expressions. You can generate the file by exporting the expressions from the Trend Vision One console.